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Energies, Volume 15, Issue 16

August-2 2022 - 337 articles

Cover Story: Partial discharge (PD) ultrasonic detection is an early sign of the insolation defects of power transformers. The early diagnosis of PD requires the high sensitivity and reliability of ultrasonic sensing systems. For this purpose, a reformative PD ultrasonic sensing system based on phase-shifted FBG (PS-FBG) was demonstrated. By using PS-FBG as the ultrasonic sensing unit, the ultrasonic sensing system improved the response to the ultrasonic signal and overcame the electromagnetic noise. To compensate for the influence of temperature change on the ultrasonic sensing system, an automatic wavelength scanning demodulating method was carried out. The wavelength spanning strategy was optimized based on the principle of cross-correlation, in order to quicken the spanning. View this paper
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Articles (337)

  • Review
  • Open Access
5 Citations
3,563 Views
16 Pages

22 August 2022

This paper presents guidelines for determining the initial shape and specifications of a high-speed axial-flux permanent-magnet (AFPM) machine in a hybrid-electric propulsion system in two steps based on previous studies and product review results re...

  • Article
  • Open Access
28 Citations
4,643 Views
24 Pages

22 August 2022

This study aims to design a 16.4 MW photovoltaic solar system located in the Brazilian Northeast and quantify the associated greenhouse gas emissions and environmental payback. The energy system was designed to minimize the Levelized Cost of Energy....

  • Article
  • Open Access
11 Citations
2,697 Views
21 Pages

22 August 2022

In this paper, a piezoelectric and electromagnetic hybrid wind energy harvester is proposed. The general design of the harvester comprises multiple cantilever piezoelectric energy harvesters (PEHs) and electromagnetic energy harvesters (EEHs) embedde...

  • Article
  • Open Access
7 Citations
2,619 Views
20 Pages

22 August 2022

Submersible mixers are widely used in the sewage treatment process in various fields, such as agriculture and industry. They are mainly responsible for pushing flow and mixing activated sludge particles in a pool. Based on the CFD-DEM coupling method...

  • Article
  • Open Access
4 Citations
3,049 Views
19 Pages

22 August 2022

We investigated the effective use of cross-flow wind turbines for small-scale wind power generation to increase the output power by using a casing, which is a kind of wind-collecting device, composed of three flow deflector plates having the shape of...

  • Article
  • Open Access
30 Citations
2,591 Views
18 Pages

A Novel Energy Efficient Threshold Based Algorithm for Wireless Body Sensor Network

  • Suresh Kumar Arumugam,
  • Amin Salih Mohammed,
  • Kalpana Nagarajan,
  • Kanagachidambaresan Ramasubramanian,
  • S. B. Goyal,
  • Chaman Verma,
  • Traian Candin Mihaltan and
  • Calin Ovidiu Safirescu

22 August 2022

Wireless body sensor networks (WBSNs) monitor the changes within the human body by having continuous interactions within the nodes in the body network. Critical issues with these continuous interactions include the limited energy within the node and...

  • Article
  • Open Access
10 Citations
3,814 Views
18 Pages

22 August 2022

In the extremely competitive environment of shipping, minimizing shipping cost is the key factor for the survival and growth of shipping companies. However, stricter rules and regulations that aim at the reduction of greenhouse gas emissions publishe...

  • Article
  • Open Access
12 Citations
5,654 Views
15 Pages

22 August 2022

This paper shows an elaboration of an equivalent electrical circuit of a Dual Active Bridge (DAB) and its application as a versatile tool for steady-states analysis in wide range of operating conditions. This work analyses the converter which is cont...

  • Article
  • Open Access
11 Citations
3,509 Views
23 Pages

22 August 2022

In this paper, a thorough framework for multiobjective design optimization of switched reluctance motor (SRM) is proposed. Selection of stator and rotor pole embrace coefficients is an essential step in the SRM design process since it influences torq...

  • Article
  • Open Access
9 Citations
2,585 Views
13 Pages

Scalable Residential Building Geometry Characterisation Using Vehicle-Mounted Camera System

  • Menglin Dai,
  • Wil O. C. Ward,
  • Hadi Arbabi,
  • Danielle Densley Tingley and
  • Martin Mayfield

22 August 2022

Residential buildings are an important sector in the urban environment as they provide essential dwelling space, but they are also responsible for a significant share of final energy consumption. In addition, residential buildings that were built wit...

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Energies - ISSN 1996-1073